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GeForce GTX 550 Ti vs Radeon HD 4870 1GB

Intro

The GeForce GTX 550 Ti comes with a clock speed of 900 MHz and a GDDR5 memory frequency of 1026 MHz. It also uses a 192-bit bus, and uses a 40 nm design. It features 192 SPUs, 32 Texture Address Units, and 24 ROPs.

Compare all of that to the Radeon HD 4870 1GB, which features core clock speeds of 750 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR5 memory. It features 800(160x5) SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti 116 Watts
Radeon HD 4870 1GB 150 Watts
Difference: 34 Watts (29%)

Memory Bandwidth

In theory, the Radeon HD 4870 1GB should be a little bit faster than the GeForce GTX 550 Ti overall. (explain)

Radeon HD 4870 1GB 115200 MB/sec
GeForce GTX 550 Ti 98496 MB/sec
Difference: 16704 (17%)

Texel Rate

The Radeon HD 4870 1GB is a small bit (about 4%) faster with regards to anisotropic filtering than the GeForce GTX 550 Ti. (explain)

Radeon HD 4870 1GB 30000 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 1200 (4%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 550 Ti is the winner, by far. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
Radeon HD 4870 1GB 12000 Mpixels/sec
Difference: 9600 (80%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce GTX 550 Ti

Amazon.com

Check prices at:

Radeon HD 4870 1GB

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 550 Ti Radeon HD 4870 1GB
Manufacturer nVidia AMD
Year March 2011 Jun 25, 2008
Code Name GF116 RV770 XT
Memory 1024 MB 1024 MB
Core Speed 900 MHz 750 MHz
Memory Speed 4104 MHz 3600 MHz
Power (Max TDP) 116 watts 150 watts
Bandwidth 98496 MB/sec 115200 MB/sec
Texel Rate 28800 Mtexels/sec 30000 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 12000 Mpixels/sec
Unified Shaders 192 800(160x5)
Texture Mapping Units 32 40
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit
Fab Process 40 nm 55 nm
Transistors 1170 million 956 million
Bus PCIe 2.1 x16 PCIe 2.0 x16
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in megabytes per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the bus width by its memory clock speed. In the case of DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 550 Ti

Amazon.com

Check prices at:

Radeon HD 4870 1GB

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Comments

3 Responses to “GeForce GTX 550 Ti vs Radeon HD 4870 1GB”
Gtx 550ti kaufen?? says:

[...] [...]

Mushfeque says:

Wow!
I bought the 550 Ti last week... but I didn't realize it would give me such good performance... even for a hardcore gamer like me \m/

πŸ™‚

Mike80 says:

Hello! πŸ˜‰

I bought recently the ASUS GTX550 Ti DirectCU because my 8800GT 'crashed and burned' and I'm really very pleased with it!

It has an amazing cooling system and allready brings a factory OC, it also has a volt tweak (VCore) to increase performance up to a stunishing 50%!

All these functions are controlled by an ASUS application, you can do it manually or let it auto-configure (like the 'HyperDrive' feature)....and the temperatures are always between 35ΒΊ/45ΒΊ, incredible!

In theory, with the OC and VCore enabled, this card can be superior to the 'normal' GTX560....wow!!

πŸ˜€

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